Merge git://github.com/hw-claudio/qemu-aarch64-queue into tcg-next

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

diff --git a/target-i386/kvm.c b/target-i386/kvm.c
index df30fa6ed62d015960fde9d117dc28f7536d664b..83154899892f618192d4ddba055c8a166b815fab 100644 (file)
--- a/target-i386/kvm.c
+++ b/target-i386/kvm.c
@@ -28,8 +28,8 @@
 #include "exec/gdbstub.h"
 #include "qemu/host-utils.h"
 #include "qemu/config-file.h"
-#include "hw/pc.h"
-#include "hw/apic.h"
+#include "hw/i386/pc.h"
+#include "hw/i386/apic.h"
 #include "exec/ioport.h"
 #include "hyperv.h"
 #include "hw/pci/pci.h"
@@ -68,6 +68,7 @@ static bool has_msr_tsc_deadline;
 static bool has_msr_async_pf_en;
 static bool has_msr_pv_eoi_en;
 static bool has_msr_misc_enable;
+static bool has_msr_kvm_steal_time;
 static int lm_capable_kernel;
 
 bool kvm_allows_irq0_override(void)
@@ -317,7 +318,7 @@ int kvm_arch_on_sigbus_vcpu(CPUState *c, int code, void *addr)
 
     if ((env->mcg_cap & MCG_SER_P) && addr
         && (code == BUS_MCEERR_AR || code == BUS_MCEERR_AO)) {
-        if (qemu_ram_addr_from_host(addr, &ram_addr) ||
+        if (qemu_ram_addr_from_host(addr, &ram_addr) == NULL ||
             !kvm_physical_memory_addr_from_host(c->kvm_state, addr, &paddr)) {
             fprintf(stderr, "Hardware memory error for memory used by "
                     "QEMU itself instead of guest system!\n");
@@ -344,20 +345,22 @@ int kvm_arch_on_sigbus_vcpu(CPUState *c, int code, void *addr)
 
 int kvm_arch_on_sigbus(int code, void *addr)
 {
-    if ((first_cpu->mcg_cap & MCG_SER_P) && addr && code == BUS_MCEERR_AO) {
+    X86CPU *cpu = X86_CPU(first_cpu);
+
+    if ((cpu->env.mcg_cap & MCG_SER_P) && addr && code == BUS_MCEERR_AO) {
         ram_addr_t ram_addr;
         hwaddr paddr;
 
         /* Hope we are lucky for AO MCE */
-        if (qemu_ram_addr_from_host(addr, &ram_addr) ||
-            !kvm_physical_memory_addr_from_host(CPU(first_cpu)->kvm_state,
+        if (qemu_ram_addr_from_host(addr, &ram_addr) == NULL ||
+            !kvm_physical_memory_addr_from_host(first_cpu->kvm_state,
                                                 addr, &paddr)) {
             fprintf(stderr, "Hardware memory error for memory used by "
                     "QEMU itself instead of guest system!: %p\n", addr);
             return 0;
         }
         kvm_hwpoison_page_add(ram_addr);
-        kvm_mce_inject(x86_env_get_cpu(first_cpu), paddr, code);
+        kvm_mce_inject(X86_CPU(first_cpu), paddr, code);
     } else {
         if (code == BUS_MCEERR_AO) {
             return 0;
@@ -453,7 +456,7 @@ int kvm_arch_init_vcpu(CPUState *cs)
     c = &cpuid_data.entries[cpuid_i++];
     memset(c, 0, sizeof(*c));
     c->function = KVM_CPUID_FEATURES;
-    c->eax = env->cpuid_kvm_features;
+    c->eax = env->features[FEAT_KVM];
 
     if (hyperv_enabled()) {
         memcpy(signature, "Hv#1\0\0\0\0\0\0\0\0", 12);
@@ -507,6 +510,8 @@ int kvm_arch_init_vcpu(CPUState *cs)
 
     has_msr_pv_eoi_en = c->eax & (1 << KVM_FEATURE_PV_EOI);
 
+    has_msr_kvm_steal_time = c->eax & (1 << KVM_FEATURE_STEAL_TIME);
+
     cpu_x86_cpuid(env, 0, 0, &limit, &unused, &unused, &unused);
 
     for (i = 0; i <= limit; i++) {
@@ -610,7 +615,8 @@ int kvm_arch_init_vcpu(CPUState *cs)
     cpuid_data.cpuid.nent = cpuid_i;
 
     if (((env->cpuid_version >> 8)&0xF) >= 6
-        && (env->cpuid_features&(CPUID_MCE|CPUID_MCA)) == (CPUID_MCE|CPUID_MCA)
+        && (env->features[FEAT_1_EDX] & (CPUID_MCE | CPUID_MCA)) ==
+           (CPUID_MCE | CPUID_MCA)
         && kvm_check_extension(cs->kvm_state, KVM_CAP_MCE) > 0) {
         uint64_t mcg_cap;
         int banks;
@@ -737,7 +743,6 @@ static int kvm_get_supported_msrs(KVMState *s)
 
 int kvm_arch_init(KVMState *s)
 {
-    QemuOptsList *list = qemu_find_opts("machine");
     uint64_t identity_base = 0xfffbc000;
     uint64_t shadow_mem;
     int ret;
@@ -786,15 +791,13 @@ int kvm_arch_init(KVMState *s)
     }
     qemu_register_reset(kvm_unpoison_all, NULL);
 
-    if (!QTAILQ_EMPTY(&list->head)) {
-        shadow_mem = qemu_opt_get_size(QTAILQ_FIRST(&list->head),
-                                       "kvm_shadow_mem", -1);
-        if (shadow_mem != -1) {
-            shadow_mem /= 4096;
-            ret = kvm_vm_ioctl(s, KVM_SET_NR_MMU_PAGES, shadow_mem);
-            if (ret < 0) {
-                return ret;
-            }
+    shadow_mem = qemu_opt_get_size(qemu_get_machine_opts(),
+                                   "kvm_shadow_mem", -1);
+    if (shadow_mem != -1) {
+        shadow_mem /= 4096;
+        ret = kvm_vm_ioctl(s, KVM_SET_NR_MMU_PAGES, shadow_mem);
+        if (ret < 0) {
+            return ret;
         }
     }
     return 0;
@@ -1107,6 +1110,10 @@ static int kvm_put_msrs(X86CPU *cpu, int level)
             kvm_msr_entry_set(&msrs[n++], MSR_KVM_PV_EOI_EN,
                               env->pv_eoi_en_msr);
         }
+        if (has_msr_kvm_steal_time) {
+            kvm_msr_entry_set(&msrs[n++], MSR_KVM_STEAL_TIME,
+                              env->steal_time_msr);
+        }
         if (hyperv_hypercall_available()) {
             kvm_msr_entry_set(&msrs[n++], HV_X64_MSR_GUEST_OS_ID, 0);
             kvm_msr_entry_set(&msrs[n++], HV_X64_MSR_HYPERCALL, 0);
@@ -1360,6 +1367,9 @@ static int kvm_get_msrs(X86CPU *cpu)
     if (has_msr_pv_eoi_en) {
         msrs[n++].index = MSR_KVM_PV_EOI_EN;
     }
+    if (has_msr_kvm_steal_time) {
+        msrs[n++].index = MSR_KVM_STEAL_TIME;
+    }
 
     if (env->mcg_cap) {
         msrs[n++].index = MSR_MCG_STATUS;
@@ -1445,6 +1455,9 @@ static int kvm_get_msrs(X86CPU *cpu)
         case MSR_KVM_PV_EOI_EN:
             env->pv_eoi_en_msr = msrs[i].data;
             break;
+        case MSR_KVM_STEAL_TIME:
+            env->steal_time_msr = msrs[i].data;
+            break;
         }
     }
 
@@ -1843,7 +1856,7 @@ int kvm_arch_process_async_events(CPUState *cs)
 
         cs->interrupt_request &= ~CPU_INTERRUPT_MCE;
 
-        kvm_cpu_synchronize_state(env);
+        kvm_cpu_synchronize_state(cs);
 
         if (env->exception_injected == EXCP08_DBLE) {
             /* this means triple fault */
@@ -1874,16 +1887,16 @@ int kvm_arch_process_async_events(CPUState *cs)
         cs->halted = 0;
     }
     if (cs->interrupt_request & CPU_INTERRUPT_INIT) {
-        kvm_cpu_synchronize_state(env);
+        kvm_cpu_synchronize_state(cs);
         do_cpu_init(cpu);
     }
     if (cs->interrupt_request & CPU_INTERRUPT_SIPI) {
-        kvm_cpu_synchronize_state(env);
+        kvm_cpu_synchronize_state(cs);
         do_cpu_sipi(cpu);
     }
     if (cs->interrupt_request & CPU_INTERRUPT_TPR) {
         cs->interrupt_request &= ~CPU_INTERRUPT_TPR;
-        kvm_cpu_synchronize_state(env);
+        kvm_cpu_synchronize_state(cs);
         apic_handle_tpr_access_report(env->apic_state, env->eip,
                                       env->tpr_access_type);
     }
@@ -2065,7 +2078,7 @@ static int kvm_handle_debug(X86CPU *cpu,
         ret = EXCP_DEBUG;
     }
     if (ret == 0) {
-        cpu_synchronize_state(env);
+        cpu_synchronize_state(CPU(cpu));
         assert(env->exception_injected == -1);
 
         /* pass to guest */
@@ -2170,7 +2183,7 @@ bool kvm_arch_stop_on_emulation_error(CPUState *cs)
     X86CPU *cpu = X86_CPU(cs);
     CPUX86State *env = &cpu->env;
 
-    kvm_cpu_synchronize_state(env);
+    kvm_cpu_synchronize_state(cs);
     return !(env->cr[0] & CR0_PE_MASK) ||
            ((env->segs[R_CS].selector  & 3) != 3);
 }