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authorZhao Liu <zhao1.liu@intel.com>2024-11-06 11:07:19 +0800
committerPaolo Bonzini <pbonzini@redhat.com>2025-01-10 23:34:44 +0100
commitcee1f341ce0c803ee26deed0a68fa1985391d517 (patch)
treec635dcd313a6d9a3cab0d1fb48555264ed24a448 /target/i386/kvm/kvm.c
parentcf4c263551886964c5d58bd7b675b13fd497b402 (diff)
downloadfocaccia-qemu-cee1f341ce0c803ee26deed0a68fa1985391d517.tar.gz
focaccia-qemu-cee1f341ce0c803ee26deed0a68fa1985391d517.zip
target/i386/kvm: Add feature bit definitions for KVM CPUID
Add feature definitions for KVM_CPUID_FEATURES in CPUID (
CPUID[4000_0001].EAX and CPUID[4000_0001].EDX), to get rid of lots of
offset calculations.

Signed-off-by: Zhao Liu <zhao1.liu@intel.com>
Reviewed-by: Zide Chen <zide.chen@intel.com>
Link: https://lore.kernel.org/r/20241106030728.553238-3-zhao1.liu@intel.com
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'target/i386/kvm/kvm.c')
-rw-r--r--target/i386/kvm/kvm.c28
1 files changed, 14 insertions, 14 deletions
diff --git a/target/i386/kvm/kvm.c b/target/i386/kvm/kvm.c
index 2f66e63b88..d6fb3bee86 100644
--- a/target/i386/kvm/kvm.c
+++ b/target/i386/kvm/kvm.c
@@ -564,13 +564,13 @@ uint32_t kvm_arch_get_supported_cpuid(KVMState *s, uint32_t function,
          * be enabled without the in-kernel irqchip
          */
         if (!kvm_irqchip_in_kernel()) {
-            ret &= ~(1U << KVM_FEATURE_PV_UNHALT);
+            ret &= ~CPUID_KVM_PV_UNHALT;
         }
         if (kvm_irqchip_is_split()) {
-            ret |= 1U << KVM_FEATURE_MSI_EXT_DEST_ID;
+            ret |= CPUID_KVM_MSI_EXT_DEST_ID;
         }
     } else if (function == KVM_CPUID_FEATURES && reg == R_EDX) {
-        ret |= 1U << KVM_HINTS_REALTIME;
+        ret |= CPUID_KVM_HINTS_REALTIME;
     }
 
     if (current_machine->cgs) {
@@ -3978,20 +3978,20 @@ static int kvm_put_msrs(X86CPU *cpu, int level)
         kvm_msr_entry_add(cpu, MSR_IA32_TSC, env->tsc);
         kvm_msr_entry_add(cpu, MSR_KVM_SYSTEM_TIME, env->system_time_msr);
         kvm_msr_entry_add(cpu, MSR_KVM_WALL_CLOCK, env->wall_clock_msr);
-        if (env->features[FEAT_KVM] & (1 << KVM_FEATURE_ASYNC_PF_INT)) {
+        if (env->features[FEAT_KVM] & CPUID_KVM_ASYNCPF_INT) {
             kvm_msr_entry_add(cpu, MSR_KVM_ASYNC_PF_INT, env->async_pf_int_msr);
         }
-        if (env->features[FEAT_KVM] & (1 << KVM_FEATURE_ASYNC_PF)) {
+        if (env->features[FEAT_KVM] & CPUID_KVM_ASYNCPF) {
             kvm_msr_entry_add(cpu, MSR_KVM_ASYNC_PF_EN, env->async_pf_en_msr);
         }
-        if (env->features[FEAT_KVM] & (1 << KVM_FEATURE_PV_EOI)) {
+        if (env->features[FEAT_KVM] & CPUID_KVM_PV_EOI) {
             kvm_msr_entry_add(cpu, MSR_KVM_PV_EOI_EN, env->pv_eoi_en_msr);
         }
-        if (env->features[FEAT_KVM] & (1 << KVM_FEATURE_STEAL_TIME)) {
+        if (env->features[FEAT_KVM] & CPUID_KVM_STEAL_TIME) {
             kvm_msr_entry_add(cpu, MSR_KVM_STEAL_TIME, env->steal_time_msr);
         }
 
-        if (env->features[FEAT_KVM] & (1 << KVM_FEATURE_POLL_CONTROL)) {
+        if (env->features[FEAT_KVM] & CPUID_KVM_POLL_CONTROL) {
             kvm_msr_entry_add(cpu, MSR_KVM_POLL_CONTROL, env->poll_control_msr);
         }
 
@@ -4456,19 +4456,19 @@ static int kvm_get_msrs(X86CPU *cpu)
 #endif
     kvm_msr_entry_add(cpu, MSR_KVM_SYSTEM_TIME, 0);
     kvm_msr_entry_add(cpu, MSR_KVM_WALL_CLOCK, 0);
-    if (env->features[FEAT_KVM] & (1 << KVM_FEATURE_ASYNC_PF_INT)) {
+    if (env->features[FEAT_KVM] & CPUID_KVM_ASYNCPF_INT) {
         kvm_msr_entry_add(cpu, MSR_KVM_ASYNC_PF_INT, 0);
     }
-    if (env->features[FEAT_KVM] & (1 << KVM_FEATURE_ASYNC_PF)) {
+    if (env->features[FEAT_KVM] & CPUID_KVM_ASYNCPF) {
         kvm_msr_entry_add(cpu, MSR_KVM_ASYNC_PF_EN, 0);
     }
-    if (env->features[FEAT_KVM] & (1 << KVM_FEATURE_PV_EOI)) {
+    if (env->features[FEAT_KVM] & CPUID_KVM_PV_EOI) {
         kvm_msr_entry_add(cpu, MSR_KVM_PV_EOI_EN, 0);
     }
-    if (env->features[FEAT_KVM] & (1 << KVM_FEATURE_STEAL_TIME)) {
+    if (env->features[FEAT_KVM] & CPUID_KVM_STEAL_TIME) {
         kvm_msr_entry_add(cpu, MSR_KVM_STEAL_TIME, 0);
     }
-    if (env->features[FEAT_KVM] & (1 << KVM_FEATURE_POLL_CONTROL)) {
+    if (env->features[FEAT_KVM] & CPUID_KVM_POLL_CONTROL) {
         kvm_msr_entry_add(cpu, MSR_KVM_POLL_CONTROL, 1);
     }
     if (has_architectural_pmu_version > 0) {
@@ -6195,7 +6195,7 @@ uint64_t kvm_swizzle_msi_ext_dest_id(uint64_t address)
         return address;
     }
     env = &X86_CPU(first_cpu)->env;
-    if (!(env->features[FEAT_KVM] & (1 << KVM_FEATURE_MSI_EXT_DEST_ID))) {
+    if (!(env->features[FEAT_KVM] & CPUID_KVM_MSI_EXT_DEST_ID)) {
         return address;
     }