#include "hw/pc.h"
#include "hw/apic.h"
#include "ioport.h"
+#include "hyperv.h"
//#define DEBUG_KVM
return -ENOSYS;
}
-static void kvm_mce_inject(CPUState *env, target_phys_addr_t paddr, int code)
+static void kvm_mce_inject(CPUX86State *env, target_phys_addr_t paddr, int code)
{
uint64_t status = MCI_STATUS_VAL | MCI_STATUS_UC | MCI_STATUS_EN |
MCI_STATUS_MISCV | MCI_STATUS_ADDRV | MCI_STATUS_S;
exit(1);
}
-int kvm_arch_on_sigbus_vcpu(CPUState *env, int code, void *addr)
+int kvm_arch_on_sigbus_vcpu(CPUX86State *env, int code, void *addr)
{
ram_addr_t ram_addr;
target_phys_addr_t paddr;
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) ||
- !kvm_physical_memory_addr_from_ram(env->kvm_state, ram_addr,
- &paddr)) {
+ !kvm_physical_memory_addr_from_host(env->kvm_state, addr, &paddr)) {
fprintf(stderr, "Hardware memory error for memory used by "
"QEMU itself instead of guest system!\n");
/* Hope we are lucky for AO MCE */
/* Hope we are lucky for AO MCE */
if (qemu_ram_addr_from_host(addr, &ram_addr) ||
- !kvm_physical_memory_addr_from_ram(first_cpu->kvm_state, ram_addr,
- &paddr)) {
+ !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;
return 0;
}
-static int kvm_inject_mce_oldstyle(CPUState *env)
+static int kvm_inject_mce_oldstyle(CPUX86State *env)
{
if (!kvm_has_vcpu_events() && env->exception_injected == EXCP12_MCHK) {
unsigned int bank, bank_num = env->mcg_cap & 0xff;
static void cpu_update_state(void *opaque, int running, RunState state)
{
- CPUState *env = opaque;
+ CPUX86State *env = opaque;
if (running) {
env->tsc_valid = false;
}
}
-int kvm_arch_init_vcpu(CPUState *env)
+int kvm_arch_init_vcpu(CPUX86State *env)
{
struct {
struct kvm_cpuid2 cpuid;
cpuid_i = 0;
/* Paravirtualization CPUIDs */
- memcpy(signature, "KVMKVMKVM\0\0\0", 12);
c = &cpuid_data.entries[cpuid_i++];
memset(c, 0, sizeof(*c));
c->function = KVM_CPUID_SIGNATURE;
- c->eax = 0;
+ if (!hyperv_enabled()) {
+ memcpy(signature, "KVMKVMKVM\0\0\0", 12);
+ c->eax = 0;
+ } else {
+ memcpy(signature, "Microsoft Hv", 12);
+ c->eax = HYPERV_CPUID_MIN;
+ }
c->ebx = signature[0];
c->ecx = signature[1];
c->edx = signature[2];
c->eax = env->cpuid_kvm_features &
kvm_arch_get_supported_cpuid(s, KVM_CPUID_FEATURES, 0, R_EAX);
+ if (hyperv_enabled()) {
+ memcpy(signature, "Hv#1\0\0\0\0\0\0\0\0", 12);
+ c->eax = signature[0];
+
+ c = &cpuid_data.entries[cpuid_i++];
+ memset(c, 0, sizeof(*c));
+ c->function = HYPERV_CPUID_VERSION;
+ c->eax = 0x00001bbc;
+ c->ebx = 0x00060001;
+
+ c = &cpuid_data.entries[cpuid_i++];
+ memset(c, 0, sizeof(*c));
+ c->function = HYPERV_CPUID_FEATURES;
+ if (hyperv_relaxed_timing_enabled()) {
+ c->eax |= HV_X64_MSR_HYPERCALL_AVAILABLE;
+ }
+ if (hyperv_vapic_recommended()) {
+ c->eax |= HV_X64_MSR_HYPERCALL_AVAILABLE;
+ c->eax |= HV_X64_MSR_APIC_ACCESS_AVAILABLE;
+ }
+
+ c = &cpuid_data.entries[cpuid_i++];
+ memset(c, 0, sizeof(*c));
+ c->function = HYPERV_CPUID_ENLIGHTMENT_INFO;
+ if (hyperv_relaxed_timing_enabled()) {
+ c->eax |= HV_X64_RELAXED_TIMING_RECOMMENDED;
+ }
+ if (hyperv_vapic_recommended()) {
+ c->eax |= HV_X64_APIC_ACCESS_RECOMMENDED;
+ }
+ c->ebx = hyperv_get_spinlock_retries();
+
+ c = &cpuid_data.entries[cpuid_i++];
+ memset(c, 0, sizeof(*c));
+ c->function = HYPERV_CPUID_IMPLEMENT_LIMITS;
+ c->eax = 0x40;
+ c->ebx = 0x40;
+
+ c = &cpuid_data.entries[cpuid_i++];
+ memset(c, 0, sizeof(*c));
+ c->function = KVM_CPUID_SIGNATURE_NEXT;
+ memcpy(signature, "KVMKVMKVM\0\0\0", 12);
+ c->eax = 0;
+ c->ebx = signature[0];
+ c->ecx = signature[1];
+ c->edx = signature[2];
+ }
+
has_msr_async_pf_en = c->eax & (1 << KVM_FEATURE_ASYNC_PF);
cpu_x86_cpuid(env, 0, 0, &limit, &unused, &unused, &unused);
qemu_add_vm_change_state_handler(cpu_update_state, env);
+ cpuid_data.cpuid.padding = 0;
r = kvm_vcpu_ioctl(env, KVM_SET_CPUID2, &cpuid_data);
if (r) {
return r;
return 0;
}
-void kvm_arch_reset_vcpu(CPUState *env)
+void kvm_arch_reset_vcpu(CPUX86State *env)
{
env->exception_injected = -1;
env->interrupt_injected = -1;
int kvm_arch_init(KVMState *s)
{
+ QemuOptsList *list = qemu_find_opts("machine");
uint64_t identity_base = 0xfffbc000;
+ uint64_t shadow_mem;
int ret;
struct utsname utsname;
}
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;
+ }
+ }
+ }
return 0;
}
lhs->g = (flags & DESC_G_MASK) != 0;
lhs->avl = (flags & DESC_AVL_MASK) != 0;
lhs->unusable = 0;
+ lhs->padding = 0;
}
static void get_seg(SegmentCache *lhs, const struct kvm_segment *rhs)
}
}
-static int kvm_getput_regs(CPUState *env, int set)
+static int kvm_getput_regs(CPUX86State *env, int set)
{
struct kvm_regs regs;
int ret = 0;
return ret;
}
-static int kvm_put_fpu(CPUState *env)
+static int kvm_put_fpu(CPUX86State *env)
{
struct kvm_fpu fpu;
int i;
#define XSAVE_XSTATE_BV 128
#define XSAVE_YMMH_SPACE 144
-static int kvm_put_xsave(CPUState *env)
+static int kvm_put_xsave(CPUX86State *env)
{
struct kvm_xsave* xsave = env->kvm_xsave_buf;
uint16_t cwd, swd, twd;
return r;
}
-static int kvm_put_xcrs(CPUState *env)
+static int kvm_put_xcrs(CPUX86State *env)
{
struct kvm_xcrs xcrs;
return kvm_vcpu_ioctl(env, KVM_SET_XCRS, &xcrs);
}
-static int kvm_put_sregs(CPUState *env)
+static int kvm_put_sregs(CPUX86State *env)
{
struct kvm_sregs sregs;
sregs.idt.limit = env->idt.limit;
sregs.idt.base = env->idt.base;
+ memset(sregs.idt.padding, 0, sizeof sregs.idt.padding);
sregs.gdt.limit = env->gdt.limit;
sregs.gdt.base = env->gdt.base;
+ memset(sregs.gdt.padding, 0, sizeof sregs.gdt.padding);
sregs.cr0 = env->cr[0];
sregs.cr2 = env->cr[2];
entry->data = value;
}
-static int kvm_put_msrs(CPUState *env, int level)
+static int kvm_put_msrs(CPUX86State *env, int level)
{
struct {
struct kvm_msrs info;
kvm_msr_entry_set(&msrs[n++], MSR_KVM_ASYNC_PF_EN,
env->async_pf_en_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);
+ }
+ if (hyperv_vapic_recommended()) {
+ kvm_msr_entry_set(&msrs[n++], HV_X64_MSR_APIC_ASSIST_PAGE, 0);
+ }
}
if (env->mcg_cap) {
int i;
}
-static int kvm_get_fpu(CPUState *env)
+static int kvm_get_fpu(CPUX86State *env)
{
struct kvm_fpu fpu;
int i, ret;
return 0;
}
-static int kvm_get_xsave(CPUState *env)
+static int kvm_get_xsave(CPUX86State *env)
{
struct kvm_xsave* xsave = env->kvm_xsave_buf;
int ret, i;
return 0;
}
-static int kvm_get_xcrs(CPUState *env)
+static int kvm_get_xcrs(CPUX86State *env)
{
int i, ret;
struct kvm_xcrs xcrs;
return 0;
}
-static int kvm_get_sregs(CPUState *env)
+static int kvm_get_sregs(CPUX86State *env)
{
struct kvm_sregs sregs;
uint32_t hflags;
return 0;
}
-static int kvm_get_msrs(CPUState *env)
+static int kvm_get_msrs(CPUX86State *env)
{
struct {
struct kvm_msrs info;
return 0;
}
-static int kvm_put_mp_state(CPUState *env)
+static int kvm_put_mp_state(CPUX86State *env)
{
struct kvm_mp_state mp_state = { .mp_state = env->mp_state };
return kvm_vcpu_ioctl(env, KVM_SET_MP_STATE, &mp_state);
}
-static int kvm_get_mp_state(CPUState *env)
+static int kvm_get_mp_state(CPUX86State *env)
{
struct kvm_mp_state mp_state;
int ret;
return 0;
}
-static int kvm_put_vcpu_events(CPUState *env, int level)
+static int kvm_get_apic(CPUX86State *env)
+{
+ DeviceState *apic = env->apic_state;
+ struct kvm_lapic_state kapic;
+ int ret;
+
+ if (apic && kvm_irqchip_in_kernel()) {
+ ret = kvm_vcpu_ioctl(env, KVM_GET_LAPIC, &kapic);
+ if (ret < 0) {
+ return ret;
+ }
+
+ kvm_get_apic_state(apic, &kapic);
+ }
+ return 0;
+}
+
+static int kvm_put_apic(CPUX86State *env)
+{
+ DeviceState *apic = env->apic_state;
+ struct kvm_lapic_state kapic;
+
+ if (apic && kvm_irqchip_in_kernel()) {
+ kvm_put_apic_state(apic, &kapic);
+
+ return kvm_vcpu_ioctl(env, KVM_SET_LAPIC, &kapic);
+ }
+ return 0;
+}
+
+static int kvm_put_vcpu_events(CPUX86State *env, int level)
{
struct kvm_vcpu_events events;
events.exception.nr = env->exception_injected;
events.exception.has_error_code = env->has_error_code;
events.exception.error_code = env->error_code;
+ events.exception.pad = 0;
events.interrupt.injected = (env->interrupt_injected >= 0);
events.interrupt.nr = env->interrupt_injected;
events.nmi.injected = env->nmi_injected;
events.nmi.pending = env->nmi_pending;
events.nmi.masked = !!(env->hflags2 & HF2_NMI_MASK);
+ events.nmi.pad = 0;
events.sipi_vector = env->sipi_vector;
return kvm_vcpu_ioctl(env, KVM_SET_VCPU_EVENTS, &events);
}
-static int kvm_get_vcpu_events(CPUState *env)
+static int kvm_get_vcpu_events(CPUX86State *env)
{
struct kvm_vcpu_events events;
int ret;
return 0;
}
-static int kvm_guest_debug_workarounds(CPUState *env)
+static int kvm_guest_debug_workarounds(CPUX86State *env)
{
int ret = 0;
unsigned long reinject_trap = 0;
return ret;
}
-static int kvm_put_debugregs(CPUState *env)
+static int kvm_put_debugregs(CPUX86State *env)
{
struct kvm_debugregs dbgregs;
int i;
return kvm_vcpu_ioctl(env, KVM_SET_DEBUGREGS, &dbgregs);
}
-static int kvm_get_debugregs(CPUState *env)
+static int kvm_get_debugregs(CPUX86State *env)
{
struct kvm_debugregs dbgregs;
int i, ret;
return 0;
}
-int kvm_arch_put_registers(CPUState *env, int level)
+int kvm_arch_put_registers(CPUX86State *env, int level)
{
int ret;
if (ret < 0) {
return ret;
}
+ ret = kvm_put_apic(env);
+ if (ret < 0) {
+ return ret;
+ }
}
ret = kvm_put_vcpu_events(env, level);
if (ret < 0) {
return 0;
}
-int kvm_arch_get_registers(CPUState *env)
+int kvm_arch_get_registers(CPUX86State *env)
{
int ret;
if (ret < 0) {
return ret;
}
+ ret = kvm_get_apic(env);
+ if (ret < 0) {
+ return ret;
+ }
ret = kvm_get_vcpu_events(env);
if (ret < 0) {
return ret;
return 0;
}
-void kvm_arch_pre_run(CPUState *env, struct kvm_run *run)
+void kvm_arch_pre_run(CPUX86State *env, struct kvm_run *run)
{
int ret;
}
if (!kvm_irqchip_in_kernel()) {
- /* Force the VCPU out of its inner loop to process the INIT request */
- if (env->interrupt_request & CPU_INTERRUPT_INIT) {
+ /* Force the VCPU out of its inner loop to process any INIT requests
+ * or pending TPR access reports. */
+ if (env->interrupt_request &
+ (CPU_INTERRUPT_INIT | CPU_INTERRUPT_TPR)) {
env->exit_request = 1;
}
}
}
-void kvm_arch_post_run(CPUState *env, struct kvm_run *run)
+void kvm_arch_post_run(CPUX86State *env, struct kvm_run *run)
{
if (run->if_flag) {
env->eflags |= IF_MASK;
cpu_set_apic_base(env->apic_state, run->apic_base);
}
-int kvm_arch_process_async_events(CPUState *env)
+int kvm_arch_process_async_events(CPUX86State *env)
{
if (env->interrupt_request & CPU_INTERRUPT_MCE) {
/* We must not raise CPU_INTERRUPT_MCE if it's not supported. */
kvm_cpu_synchronize_state(env);
do_cpu_sipi(env);
}
+ if (env->interrupt_request & CPU_INTERRUPT_TPR) {
+ env->interrupt_request &= ~CPU_INTERRUPT_TPR;
+ kvm_cpu_synchronize_state(env);
+ apic_handle_tpr_access_report(env->apic_state, env->eip,
+ env->tpr_access_type);
+ }
return env->halted;
}
-static int kvm_handle_halt(CPUState *env)
+static int kvm_handle_halt(CPUX86State *env)
{
if (!((env->interrupt_request & CPU_INTERRUPT_HARD) &&
(env->eflags & IF_MASK)) &&
return 0;
}
-int kvm_arch_insert_sw_breakpoint(CPUState *env, struct kvm_sw_breakpoint *bp)
+static int kvm_handle_tpr_access(CPUX86State *env)
+{
+ struct kvm_run *run = env->kvm_run;
+
+ apic_handle_tpr_access_report(env->apic_state, run->tpr_access.rip,
+ run->tpr_access.is_write ? TPR_ACCESS_WRITE
+ : TPR_ACCESS_READ);
+ return 1;
+}
+
+int kvm_arch_insert_sw_breakpoint(CPUX86State *env, struct kvm_sw_breakpoint *bp)
{
static const uint8_t int3 = 0xcc;
return 0;
}
-int kvm_arch_remove_sw_breakpoint(CPUState *env, struct kvm_sw_breakpoint *bp)
+int kvm_arch_remove_sw_breakpoint(CPUX86State *env, struct kvm_sw_breakpoint *bp)
{
uint8_t int3;
return ret;
}
-void kvm_arch_update_guest_debug(CPUState *env, struct kvm_guest_debug *dbg)
+void kvm_arch_update_guest_debug(CPUX86State *env, struct kvm_guest_debug *dbg)
{
const uint8_t type_code[] = {
[GDB_BREAKPOINT_HW] = 0x0,
#define VMX_INVALID_GUEST_STATE 0x80000021
-int kvm_arch_handle_exit(CPUState *env, struct kvm_run *run)
+int kvm_arch_handle_exit(CPUX86State *env, struct kvm_run *run)
{
uint64_t code;
int ret;
case KVM_EXIT_SET_TPR:
ret = 0;
break;
+ case KVM_EXIT_TPR_ACCESS:
+ ret = kvm_handle_tpr_access(env);
+ break;
case KVM_EXIT_FAIL_ENTRY:
code = run->fail_entry.hardware_entry_failure_reason;
fprintf(stderr, "KVM: entry failed, hardware error 0x%" PRIx64 "\n",
return ret;
}
-bool kvm_arch_stop_on_emulation_error(CPUState *env)
+bool kvm_arch_stop_on_emulation_error(CPUX86State *env)
{
+ kvm_cpu_synchronize_state(env);
return !(env->cr[0] & CR0_PE_MASK) ||
((env->segs[R_CS].selector & 3) != 3);
}
+
+void kvm_arch_init_irq_routing(KVMState *s)
+{
+ if (!kvm_check_extension(s, KVM_CAP_IRQ_ROUTING)) {
+ /* If kernel can't do irq routing, interrupt source
+ * override 0->2 cannot be set up as required by HPET.
+ * So we have to disable it.
+ */
+ no_hpet = 1;
+ }
+}
projects / qemu.git / blobdiff