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qemu/target-i386-Add-new-CPU-model-ClearwaterForest.patch

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QEMU update to version 8.2.0-32: - target/i386: csv: Release CSV3 shared pages after unmapping DMA - target/i386: Add new CPU model ClearwaterForest - target/i386: add sha512, sm3, sm4 feature bits - docs: Add GNR, SRF and CWF CPU models - target/i386: Export BHI_NO bit to guests - target/i386: Introduce SierraForest-v2 model - vdpa/iommufd:Implement DMA mapping through the iommufd interface - vdpa/iommufd:Introduce vdpa-iommufd module - vdpa/iommufd:support associating iommufd backend for vDPA devices - Kconfig/iommufd/VDPA: Update IOMMUFD module configuration dependencies The vDPA module can also use IOMMUFD like the VFIO module. - backends/iommufd: Get rid of qemu_open_old() - backends/iommufd: Make iommufd_backend_*() return bool - backends/iommufd: Fix missing ERRP_GUARD() for error_prepend() - backends/iommufd: Remove mutex - backends/iommufd: Remove check on number of backend users - hw/intc: Add extioi ability of 256 vcpu interrupt routing - hw/rtc: Fixed loongson rtc emulation errors - hw/loongarch/boot: Adjust the loading position of the initrd - target/loongarch: Fix the cpu unplug resource leak - target/loongarch: fix vcpu reset command word issue - vdpa:Fix dirty page bitmap synchronization not done after suspend for vdpa devices Signed-off-by: Jiabo Feng <fengjiabo1@huawei.com> (cherry picked from commit a5212066e7516ff2a316e1b2feaa75dd5ee4d17a)
2025-05-15 15:38:13 +08:00
From e6464174c2261e809764ed63f8a064913a108446 Mon Sep 17 00:00:00 2001
From: Tao Su <tao1.su@linux.intel.com>
Date: Tue, 21 Jan 2025 10:06:49 +0800
Subject: [PATCH] target/i386: Add new CPU model ClearwaterForest
commit 56e84d898f17606b5d88778726466540af96b234 upstream.
According to table 1-2 in Intel Architecture Instruction Set Extensions
and Future Features (rev 056) [1], ClearwaterForest has the following new
features which have already been virtualized:
- AVX-VNNI-INT16 CPUID.(EAX=7,ECX=1):EDX[bit 10]
- SHA512 CPUID.(EAX=7,ECX=1):EAX[bit 0]
- SM3 CPUID.(EAX=7,ECX=1):EAX[bit 1]
- SM4 CPUID.(EAX=7,ECX=1):EAX[bit 2]
Add above features to new CPU model ClearwaterForest. Comparing with
SierraForest, ClearwaterForest bare-metal contains all features of
SierraForest-v2 CPU model and adds:
- PREFETCHI CPUID.(EAX=7,ECX=1):EDX[bit 14]
- DDPD_U CPUID.(EAX=7,ECX=2):EDX[bit 3]
- BHI_NO IA32_ARCH_CAPABILITIES[bit 20]
Add above and all features of SierraForest-v2 CPU model to new CPU model
ClearwaterForest.
[1] https://cdrdv2.intel.com/v1/dl/getContent/671368
Intel-SIG: commit 56e84d898f17 target/i386: Add new CPU model ClearwaterForest.
Tested-by: Xuelian Guo <xuelian.guo@intel.com>
Signed-off-by: Tao Su <tao1.su@linux.intel.com>
Reviewed-by: Zhao Liu <zhao1.liu@intel.com>
Link: https://lore.kernel.org/r/20250121020650.1899618-4-tao1.su@linux.intel.com
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
[ Quanxian Wang: amend commit log ]
Signed-off-by: Quanxian Wang <quanxian.wang@intel.com>
---
target/i386/cpu.c | 135 ++++++++++++++++++++++++++++++++++++++++++++++
target/i386/cpu.h | 35 +++++++++---
2 files changed, 164 insertions(+), 6 deletions(-)
diff --git a/target/i386/cpu.c b/target/i386/cpu.c
index 6ed4e84b5c..f79d0c9abf 100644
--- a/target/i386/cpu.c
+++ b/target/i386/cpu.c
@@ -4337,6 +4337,141 @@ static const X86CPUDefinition builtin_x86_defs[] = {
{ /* end of list */ },
},
},
+ {
+ .name = "ClearwaterForest",
+ .level = 0x23,
+ .xlevel = 0x80000008,
+ .vendor = CPUID_VENDOR_INTEL,
+ .family = 6,
+ .model = 221,
+ .stepping = 0,
+ /*
+ * please keep the ascending order so that we can have a clear view of
+ * bit position of each feature.
+ */
+ .features[FEAT_1_EDX] =
+ CPUID_FP87 | CPUID_VME | CPUID_DE | CPUID_PSE | CPUID_TSC |
+ CPUID_MSR | CPUID_PAE | CPUID_MCE | CPUID_CX8 | CPUID_APIC |
+ CPUID_SEP | CPUID_MTRR | CPUID_PGE | CPUID_MCA | CPUID_CMOV |
+ CPUID_PAT | CPUID_PSE36 | CPUID_CLFLUSH | CPUID_MMX | CPUID_FXSR |
+ CPUID_SSE | CPUID_SSE2 | CPUID_SS,
+ .features[FEAT_1_ECX] =
+ CPUID_EXT_SSE3 | CPUID_EXT_PCLMULQDQ | CPUID_EXT_SSSE3 |
+ CPUID_EXT_FMA | CPUID_EXT_CX16 | CPUID_EXT_PCID | CPUID_EXT_SSE41 |
+ CPUID_EXT_SSE42 | CPUID_EXT_X2APIC | CPUID_EXT_MOVBE |
+ CPUID_EXT_POPCNT | CPUID_EXT_TSC_DEADLINE_TIMER | CPUID_EXT_AES |
+ CPUID_EXT_XSAVE | CPUID_EXT_AVX | CPUID_EXT_F16C | CPUID_EXT_RDRAND,
+ .features[FEAT_8000_0001_EDX] =
+ CPUID_EXT2_SYSCALL | CPUID_EXT2_NX | CPUID_EXT2_PDPE1GB |
+ CPUID_EXT2_RDTSCP | CPUID_EXT2_LM,
+ .features[FEAT_8000_0001_ECX] =
+ CPUID_EXT3_LAHF_LM | CPUID_EXT3_ABM | CPUID_EXT3_3DNOWPREFETCH,
+ .features[FEAT_8000_0008_EBX] =
+ CPUID_8000_0008_EBX_WBNOINVD,
+ .features[FEAT_7_0_EBX] =
+ CPUID_7_0_EBX_FSGSBASE | CPUID_7_0_EBX_TSC_ADJUST |
+ CPUID_7_0_EBX_BMI1 | CPUID_7_0_EBX_AVX2 | CPUID_7_0_EBX_SMEP |
+ CPUID_7_0_EBX_BMI2 | CPUID_7_0_EBX_ERMS | CPUID_7_0_EBX_INVPCID |
+ CPUID_7_0_EBX_RDSEED | CPUID_7_0_EBX_ADX | CPUID_7_0_EBX_SMAP |
+ CPUID_7_0_EBX_CLFLUSHOPT | CPUID_7_0_EBX_CLWB |
+ CPUID_7_0_EBX_SHA_NI,
+ .features[FEAT_7_0_ECX] =
+ CPUID_7_0_ECX_UMIP | CPUID_7_0_ECX_PKU | CPUID_7_0_ECX_GFNI |
+ CPUID_7_0_ECX_VAES | CPUID_7_0_ECX_VPCLMULQDQ |
+ CPUID_7_0_ECX_RDPID | CPUID_7_0_ECX_BUS_LOCK_DETECT |
+ CPUID_7_0_ECX_CLDEMOTE | CPUID_7_0_ECX_MOVDIRI |
+ CPUID_7_0_ECX_MOVDIR64B,
+ .features[FEAT_7_0_EDX] =
+ CPUID_7_0_EDX_FSRM | CPUID_7_0_EDX_SERIALIZE |
+ CPUID_7_0_EDX_SPEC_CTRL | CPUID_7_0_EDX_ARCH_CAPABILITIES |
+ CPUID_7_0_EDX_SPEC_CTRL_SSBD,
+ .features[FEAT_ARCH_CAPABILITIES] =
+ MSR_ARCH_CAP_RDCL_NO | MSR_ARCH_CAP_IBRS_ALL |
+ MSR_ARCH_CAP_SKIP_L1DFL_VMENTRY | MSR_ARCH_CAP_MDS_NO |
+ MSR_ARCH_CAP_PSCHANGE_MC_NO | MSR_ARCH_CAP_SBDR_SSDP_NO |
+ MSR_ARCH_CAP_FBSDP_NO | MSR_ARCH_CAP_PSDP_NO |
+ MSR_ARCH_CAP_BHI_NO | MSR_ARCH_CAP_PBRSB_NO |
+ MSR_ARCH_CAP_GDS_NO | MSR_ARCH_CAP_RFDS_NO,
+ .features[FEAT_XSAVE] =
+ CPUID_XSAVE_XSAVEOPT | CPUID_XSAVE_XSAVEC |
+ CPUID_XSAVE_XGETBV1 | CPUID_XSAVE_XSAVES,
+ .features[FEAT_6_EAX] =
+ CPUID_6_EAX_ARAT,
+ .features[FEAT_7_1_EAX] =
+ CPUID_7_1_EAX_SHA512 | CPUID_7_1_EAX_SM3 | CPUID_7_1_EAX_SM4 |
+ CPUID_7_1_EAX_AVX_VNNI | CPUID_7_1_EAX_CMPCCXADD |
+ CPUID_7_1_EAX_FSRS | CPUID_7_1_EAX_AVX_IFMA |
+ CPUID_7_1_EAX_LAM,
+ .features[FEAT_7_1_EDX] =
+ CPUID_7_1_EDX_AVX_VNNI_INT8 | CPUID_7_1_EDX_AVX_NE_CONVERT |
+ CPUID_7_1_EDX_AVX_VNNI_INT16 | CPUID_7_1_EDX_PREFETCHITI,
+ .features[FEAT_7_2_EDX] =
+ CPUID_7_2_EDX_PSFD | CPUID_7_2_EDX_IPRED_CTRL |
+ CPUID_7_2_EDX_RRSBA_CTRL | CPUID_7_2_EDX_DDPD_U |
+ CPUID_7_2_EDX_BHI_CTRL | CPUID_7_2_EDX_MCDT_NO,
+ .features[FEAT_VMX_BASIC] =
+ MSR_VMX_BASIC_INS_OUTS | MSR_VMX_BASIC_TRUE_CTLS,
+ .features[FEAT_VMX_ENTRY_CTLS] =
+ VMX_VM_ENTRY_LOAD_DEBUG_CONTROLS | VMX_VM_ENTRY_IA32E_MODE |
+ VMX_VM_ENTRY_LOAD_IA32_PERF_GLOBAL_CTRL |
+ VMX_VM_ENTRY_LOAD_IA32_PAT | VMX_VM_ENTRY_LOAD_IA32_EFER,
+ .features[FEAT_VMX_EPT_VPID_CAPS] =
+ MSR_VMX_EPT_EXECONLY | MSR_VMX_EPT_PAGE_WALK_LENGTH_4 |
+ MSR_VMX_EPT_WB | MSR_VMX_EPT_2MB | MSR_VMX_EPT_1GB |
+ MSR_VMX_EPT_INVEPT | MSR_VMX_EPT_AD_BITS |
+ MSR_VMX_EPT_INVEPT_SINGLE_CONTEXT | MSR_VMX_EPT_INVEPT_ALL_CONTEXT |
+ MSR_VMX_EPT_INVVPID | MSR_VMX_EPT_INVVPID_SINGLE_ADDR |
+ MSR_VMX_EPT_INVVPID_SINGLE_CONTEXT |
+ MSR_VMX_EPT_INVVPID_ALL_CONTEXT |
+ MSR_VMX_EPT_INVVPID_SINGLE_CONTEXT_NOGLOBALS,
+ .features[FEAT_VMX_EXIT_CTLS] =
+ VMX_VM_EXIT_SAVE_DEBUG_CONTROLS |
+ VMX_VM_EXIT_LOAD_IA32_PERF_GLOBAL_CTRL |
+ VMX_VM_EXIT_ACK_INTR_ON_EXIT | VMX_VM_EXIT_SAVE_IA32_PAT |
+ VMX_VM_EXIT_LOAD_IA32_PAT | VMX_VM_EXIT_SAVE_IA32_EFER |
+ VMX_VM_EXIT_LOAD_IA32_EFER | VMX_VM_EXIT_SAVE_VMX_PREEMPTION_TIMER,
+ .features[FEAT_VMX_MISC] =
+ MSR_VMX_MISC_STORE_LMA | MSR_VMX_MISC_ACTIVITY_HLT |
+ MSR_VMX_MISC_VMWRITE_VMEXIT,
+ .features[FEAT_VMX_PINBASED_CTLS] =
+ VMX_PIN_BASED_EXT_INTR_MASK | VMX_PIN_BASED_NMI_EXITING |
+ VMX_PIN_BASED_VIRTUAL_NMIS | VMX_PIN_BASED_VMX_PREEMPTION_TIMER |
+ VMX_PIN_BASED_POSTED_INTR,
+ .features[FEAT_VMX_PROCBASED_CTLS] =
+ VMX_CPU_BASED_VIRTUAL_INTR_PENDING |
+ VMX_CPU_BASED_USE_TSC_OFFSETING | VMX_CPU_BASED_HLT_EXITING |
+ VMX_CPU_BASED_INVLPG_EXITING | VMX_CPU_BASED_MWAIT_EXITING |
+ VMX_CPU_BASED_RDPMC_EXITING | VMX_CPU_BASED_RDTSC_EXITING |
+ VMX_CPU_BASED_CR3_LOAD_EXITING | VMX_CPU_BASED_CR3_STORE_EXITING |
+ VMX_CPU_BASED_CR8_LOAD_EXITING | VMX_CPU_BASED_CR8_STORE_EXITING |
+ VMX_CPU_BASED_TPR_SHADOW | VMX_CPU_BASED_VIRTUAL_NMI_PENDING |
+ VMX_CPU_BASED_MOV_DR_EXITING | VMX_CPU_BASED_UNCOND_IO_EXITING |
+ VMX_CPU_BASED_USE_IO_BITMAPS | VMX_CPU_BASED_MONITOR_TRAP_FLAG |
+ VMX_CPU_BASED_USE_MSR_BITMAPS | VMX_CPU_BASED_MONITOR_EXITING |
+ VMX_CPU_BASED_PAUSE_EXITING |
+ VMX_CPU_BASED_ACTIVATE_SECONDARY_CONTROLS,
+ .features[FEAT_VMX_SECONDARY_CTLS] =
+ VMX_SECONDARY_EXEC_VIRTUALIZE_APIC_ACCESSES |
+ VMX_SECONDARY_EXEC_ENABLE_EPT | VMX_SECONDARY_EXEC_DESC |
+ VMX_SECONDARY_EXEC_RDTSCP |
+ VMX_SECONDARY_EXEC_VIRTUALIZE_X2APIC_MODE |
+ VMX_SECONDARY_EXEC_ENABLE_VPID | VMX_SECONDARY_EXEC_WBINVD_EXITING |
+ VMX_SECONDARY_EXEC_UNRESTRICTED_GUEST |
+ VMX_SECONDARY_EXEC_APIC_REGISTER_VIRT |
+ VMX_SECONDARY_EXEC_VIRTUAL_INTR_DELIVERY |
+ VMX_SECONDARY_EXEC_RDRAND_EXITING |
+ VMX_SECONDARY_EXEC_ENABLE_INVPCID |
+ VMX_SECONDARY_EXEC_ENABLE_VMFUNC | VMX_SECONDARY_EXEC_SHADOW_VMCS |
+ VMX_SECONDARY_EXEC_RDSEED_EXITING | VMX_SECONDARY_EXEC_ENABLE_PML |
+ VMX_SECONDARY_EXEC_XSAVES,
+ .features[FEAT_VMX_VMFUNC] =
+ MSR_VMX_VMFUNC_EPT_SWITCHING,
+ .model_id = "Intel Xeon Processor (ClearwaterForest)",
+ .versions = (X86CPUVersionDefinition[]) {
+ { .version = 1 },
+ { /* end of list */ },
+ },
+ },
{
.name = "Denverton",
.level = 21,
diff --git a/target/i386/cpu.h b/target/i386/cpu.h
index b883e5e1d6..4424e58d1b 100644
--- a/target/i386/cpu.h
+++ b/target/i386/cpu.h
@@ -801,6 +801,8 @@ uint64_t x86_cpu_get_supported_feature_word(X86CPU *cpu, FeatureWord w);
/* Support RDFSBASE/RDGSBASE/WRFSBASE/WRGSBASE */
#define CPUID_7_0_EBX_FSGSBASE (1U << 0)
+/* Support TSC adjust MSR */
+#define CPUID_7_0_EBX_TSC_ADJUST (1U << 1)
/* Support SGX */
#define CPUID_7_0_EBX_SGX (1U << 2)
/* 1st Group of Advanced Bit Manipulation Extensions */
@@ -934,6 +936,12 @@ uint64_t x86_cpu_get_supported_feature_word(X86CPU *cpu, FeatureWord w);
/* Speculative Store Bypass Disable */
#define CPUID_7_0_EDX_SPEC_CTRL_SSBD (1U << 31)
+/* SHA512 Instruction */
+#define CPUID_7_1_EAX_SHA512 (1U << 0)
+/* SM3 Instruction */
+#define CPUID_7_1_EAX_SM3 (1U << 1)
+/* SM4 Instruction */
+#define CPUID_7_1_EAX_SM4 (1U << 2)
/* AVX VNNI Instruction */
#define CPUID_7_1_EAX_AVX_VNNI (1U << 4)
/* AVX512 BFloat16 Instruction */
@@ -946,6 +954,12 @@ uint64_t x86_cpu_get_supported_feature_word(X86CPU *cpu, FeatureWord w);
#define CPUID_7_1_EAX_FSRS (1U << 11)
/* Fast Short REP CMPS/SCAS */
#define CPUID_7_1_EAX_FSRC (1U << 12)
+/* Flexible return and event delivery (FRED) */
+#define CPUID_7_1_EAX_FRED (1U << 17)
+/* Load into IA32_KERNEL_GS_BASE (LKGS) */
+#define CPUID_7_1_EAX_LKGS (1U << 18)
+/* Non-Serializing Write to Model Specific Register (WRMSRNS) */
+#define CPUID_7_1_EAX_WRMSRNS (1U << 19)
/* Support Tile Computational Operations on FP16 Numbers */
#define CPUID_7_1_EAX_AMX_FP16 (1U << 21)
/* Support for VPMADD52[H,L]UQ */
@@ -957,17 +971,23 @@ uint64_t x86_cpu_get_supported_feature_word(X86CPU *cpu, FeatureWord w);
#define CPUID_7_1_EDX_AVX_VNNI_INT8 (1U << 4)
/* AVX NE CONVERT Instructions */
#define CPUID_7_1_EDX_AVX_NE_CONVERT (1U << 5)
+/* AVX-VNNI-INT16 Instructions */
+#define CPUID_7_1_EDX_AVX_VNNI_INT16 (1U << 10)
/* AMX COMPLEX Instructions */
#define CPUID_7_1_EDX_AMX_COMPLEX (1U << 8)
/* PREFETCHIT0/1 Instructions */
#define CPUID_7_1_EDX_PREFETCHITI (1U << 14)
-/* Flexible return and event delivery (FRED) */
-#define CPUID_7_1_EAX_FRED (1U << 17)
-/* Load into IA32_KERNEL_GS_BASE (LKGS) */
-#define CPUID_7_1_EAX_LKGS (1U << 18)
-/* Non-Serializing Write to Model Specific Register (WRMSRNS) */
-#define CPUID_7_1_EAX_WRMSRNS (1U << 19)
+/* Indicate bit 7 of the IA32_SPEC_CTRL MSR is supported */
+#define CPUID_7_2_EDX_PSFD (1U << 0)
+/* Indicate bits 3 and 4 of the IA32_SPEC_CTRL MSR are supported */
+#define CPUID_7_2_EDX_IPRED_CTRL (1U << 1)
+/* Indicate bits 5 and 6 of the IA32_SPEC_CTRL MSR are supported */
+#define CPUID_7_2_EDX_RRSBA_CTRL (1U << 2)
+/* Indicate bit 8 of the IA32_SPEC_CTRL MSR is supported */
+#define CPUID_7_2_EDX_DDPD_U (1U << 3)
+/* Indicate bit 10 of the IA32_SPEC_CTRL MSR is supported */
+#define CPUID_7_2_EDX_BHI_CTRL (1U << 4)
/* Do not exhibit MXCSR Configuration Dependent Timing (MCDT) behavior */
#define CPUID_7_2_EDX_MCDT_NO (1U << 5)
@@ -1061,7 +1081,10 @@ uint64_t x86_cpu_get_supported_feature_word(X86CPU *cpu, FeatureWord w);
#define MSR_ARCH_CAP_FBSDP_NO (1U << 14)
#define MSR_ARCH_CAP_PSDP_NO (1U << 15)
#define MSR_ARCH_CAP_FB_CLEAR (1U << 17)
+#define MSR_ARCH_CAP_BHI_NO (1U << 20)
#define MSR_ARCH_CAP_PBRSB_NO (1U << 24)
+#define MSR_ARCH_CAP_GDS_NO (1U << 26)
+#define MSR_ARCH_CAP_RFDS_NO (1U << 27)
#define MSR_CORE_CAP_SPLIT_LOCK_DETECT (1U << 5)
--
2.41.0.windows.1
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