Merge remote-tracking branch 'qemu-kvm/uq/master' into stable-1.5

[qemu.git] / target-i386 / kvm.c

diff --git a/target-i386/kvm.c b/target-i386/kvm.c
index 58f7bb790990e824d447a62aaa89a1b7895c0a3f..749aa09a21a69951ac6647ac9595279ac68a18f2 100644 (file)
--- a/target-i386/kvm.c
+++ b/target-i386/kvm.c
@@ -31,7 +31,7 @@
 #include "hw/i386/pc.h"
 #include "hw/i386/apic.h"
 #include "exec/ioport.h"
-#include "hyperv.h"
+#include <asm/hyperv.h>
 #include "hw/pci/pci.h"
 
 //#define DEBUG_KVM
@@ -424,6 +424,22 @@ unsigned long kvm_arch_vcpu_id(CPUState *cs)
     return cpu->env.cpuid_apic_id;
 }
 
+#ifndef KVM_CPUID_SIGNATURE_NEXT
+#define KVM_CPUID_SIGNATURE_NEXT                0x40000100
+#endif
+
+static bool hyperv_hypercall_available(X86CPU *cpu)
+{
+    return cpu->hyperv_vapic ||
+           (cpu->hyperv_spinlock_attempts != HYPERV_SPINLOCK_NEVER_RETRY);
+}
+
+static bool hyperv_enabled(X86CPU *cpu)
+{
+    return hyperv_hypercall_available(cpu) ||
+           cpu->hyperv_relaxed_timing;
+}
+
 #define KVM_MAX_CPUID_ENTRIES  100
 
 int kvm_arch_init_vcpu(CPUState *cs)
@@ -446,7 +462,7 @@ int kvm_arch_init_vcpu(CPUState *cs)
     c = &cpuid_data.entries[cpuid_i++];
     memset(c, 0, sizeof(*c));
     c->function = KVM_CPUID_SIGNATURE;
-    if (!hyperv_enabled()) {
+    if (!hyperv_enabled(cpu)) {
         memcpy(signature, "KVMKVMKVM\0\0\0", 12);
         c->eax = 0;
     } else {
@@ -462,7 +478,7 @@ int kvm_arch_init_vcpu(CPUState *cs)
     c->function = KVM_CPUID_FEATURES;
     c->eax = env->features[FEAT_KVM];
 
-    if (hyperv_enabled()) {
+    if (hyperv_enabled(cpu)) {
         memcpy(signature, "Hv#1\0\0\0\0\0\0\0\0", 12);
         c->eax = signature[0];
 
@@ -475,10 +491,10 @@ int kvm_arch_init_vcpu(CPUState *cs)
         c = &cpuid_data.entries[cpuid_i++];
         memset(c, 0, sizeof(*c));
         c->function = HYPERV_CPUID_FEATURES;
-        if (hyperv_relaxed_timing_enabled()) {
+        if (cpu->hyperv_relaxed_timing) {
             c->eax |= HV_X64_MSR_HYPERCALL_AVAILABLE;
         }
-        if (hyperv_vapic_recommended()) {
+        if (cpu->hyperv_vapic) {
             c->eax |= HV_X64_MSR_HYPERCALL_AVAILABLE;
             c->eax |= HV_X64_MSR_APIC_ACCESS_AVAILABLE;
         }
@@ -486,13 +502,13 @@ int kvm_arch_init_vcpu(CPUState *cs)
         c = &cpuid_data.entries[cpuid_i++];
         memset(c, 0, sizeof(*c));
         c->function = HYPERV_CPUID_ENLIGHTMENT_INFO;
-        if (hyperv_relaxed_timing_enabled()) {
+        if (cpu->hyperv_relaxed_timing) {
             c->eax |= HV_X64_RELAXED_TIMING_RECOMMENDED;
         }
-        if (hyperv_vapic_recommended()) {
+        if (cpu->hyperv_vapic) {
             c->eax |= HV_X64_APIC_ACCESS_RECOMMENDED;
         }
-        c->ebx = hyperv_get_spinlock_retries();
+        c->ebx = cpu->hyperv_spinlock_attempts;
 
         c = &cpuid_data.entries[cpuid_i++];
         memset(c, 0, sizeof(*c));
@@ -1186,11 +1202,11 @@ static int kvm_put_msrs(X86CPU *cpu, int level)
             kvm_msr_entry_set(&msrs[n++], MSR_CORE_PERF_GLOBAL_CTRL,
                               env->msr_global_ctrl);
         }
-        if (hyperv_hypercall_available()) {
+        if (hyperv_hypercall_available(cpu)) {
             kvm_msr_entry_set(&msrs[n++], HV_X64_MSR_GUEST_OS_ID, 0);
             kvm_msr_entry_set(&msrs[n++], HV_X64_MSR_HYPERCALL, 0);
         }
-        if (hyperv_vapic_recommended()) {
+        if (cpu->hyperv_vapic) {
             kvm_msr_entry_set(&msrs[n++], HV_X64_MSR_APIC_ASSIST_PAGE, 0);
         }
         if (has_msr_feature_control) {
@@ -1735,7 +1751,7 @@ static int kvm_guest_debug_workarounds(X86CPU *cpu)
      */
     if (reinject_trap ||
         (!kvm_has_robust_singlestep() && cs->singlestep_enabled)) {
-        ret = kvm_update_guest_debug(env, reinject_trap);
+        ret = kvm_update_guest_debug(cs, reinject_trap);
     }
     return ret;
 }